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Engine Parts & Tuning Hardware

Unleash Your Engine's Power: Performance Parts & Accessories

At Optimiz Access, we offer a vast lineup of engine performance parts and accessories to boost the output of your sports vehicle or premium automobile. Optimize your engine for extreme performance and enjoy an exhilarating driving experience on both road and track.

Key benefits of engine tuning: substantial horsepower and torque gains for rapid acceleration, sharper throttle response, enhanced mechanical reliability using high-strength components, and tailored custom tuning suited to all engines.

Essential Products to Maximize Engine Performance

Discover all our precision-engineered components designed to increase efficiency and durability in your engine block:

  • Cold Air Intakes & Air Filtration – Performance sports filters and carbon intake systems for maximum air filling.
  • Intercoolers & Charge Coolers – Efficient intake air cooling to sustain consistent power output under heavy loads.
  • Forged Pistons & Connecting Rods – Heavy-duty internal components built to withstand extreme temperatures and boost pressures.
  • Turbos & Superchargers – Forced induction upgrades delivering significant power increases.
  • Ignition & Servicing – Competition spark plugs, high-output ignition coils, and high-performance oil filters.

Industry-Leading Benchmark Brands

We stock top tuning and motorsport manufacturers: Wagner Tuning, Forge Motorsport, Magnecor, Green Filter, BMC Filter, NGK, Vibra Technics, and Powerflex. We also supply OEM factory parts to ensure meticulous engine maintenance.

Why you should Choose Optimiz Access for Your Engine Upgrades

Since 2010, Optimiz Access has specialized in selecting top-tier engine components for the custom upgrading and maintenance of sports vehicles. Located in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin —, our expert technicians guide your hardware selection and provide professional installation in our workshop. We ensure strict quality control along with fast worldwide shipping.

Unleash Your Engine's Full Potential Today

Give your car the raw power and sharp response it deserves. Trust the expertise of Optimiz Access, select your engine performance parts today, and benefit from our fast dispatch.

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  • Categories: Préparation intérieure
En Stock
€224.35 Price
En Stock
€224.35 Price
Kit Joint Refection moteur Origine Clio 2 RS
      Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
      €224.35Price
      Kit Joint Refection moteur Origine Clio 2 RS
          Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
          €224.35Price
          En Stock
          €59.00 €69.41 Regular price -15% off Price
          En Stock
          €59.00 €69.41 Regular price -15% off Price
          Fuel Injector Genuine Renault Clio 2 RS / Gr.N / CupFuel Injector Genuine Renault Clio 2 RS / Gr.N / Cup
              Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines. Brand new and original Renault ...
              €59.00€69.41Regular price-15% offPrice
              Fuel Injector Genuine Renault Clio 2 RS / Gr.N / CupFuel Injector Genuine Renault Clio 2 RS / Gr.N / Cup
                  Protect your engine's health with this genuine Renault injector specifically designed for the Clio 2 RS . This authentic part features the ITG M60 marking, guaranteeing optimal fuel atomization for high-performance 2.0 16v engines. Brand new and original Renault ...
                  €59.00€69.41Regular price-15% offPrice
                  Jeu durites Eau Silicone Forge Clio 2 RSJeu durites Eau Silicone Forge Clio 2 RS
                      Jeu de 6 durites Silicone Forge. Ce kit remplace avantageusement les durites d'origines de la voiture car beaucoup plus résistantes. Apporte également un look visuel racing à votre moteur.
                      €317.09Price
                      Jeu durites Eau Silicone Forge Clio 2 RSJeu durites Eau Silicone Forge Clio 2 RS
                          Jeu de 6 durites Silicone Forge. Ce kit remplace avantageusement les durites d'origines de la voiture car beaucoup plus résistantes. Apporte également un look visuel racing à votre moteur.
                          €317.09Price
                          En Stock
                          €70.25 Price
                          En Stock
                          €70.25 Price
                          Blue Crankshaft Half-Bearing Set
                              Blue Crankshaft Half-Bearing Set This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
                              €70.25Price
                              Blue Crankshaft Half-Bearing Set
                                  Blue Crankshaft Half-Bearing Set This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
                                  €70.25Price
                                  En Stock
                                  €81.65 Price
                                  En Stock
                                  €81.65 Price
                                  Bielle Twingo RS R1 et R2 160Bielle Twingo RS R1 et R2 160
                                      Connecting Rod for Twingo RS R1 and R2 160: Enhance the durability and performance of your engine with this robust connecting rod, designed for extreme conditions and easy installation.
                                      €81.65Price
                                      Bielle Twingo RS R1 et R2 160Bielle Twingo RS R1 et R2 160
                                          Connecting Rod for Twingo RS R1 and R2 160: Enhance the durability and performance of your engine with this robust connecting rod, designed for extreme conditions and easy installation.
                                          €81.65Price
                                          Genuine Renault Sport throttle position potentiometer for Twingo R2, Clio R3, and X85 Cup racing engines.
                                              Do not risk unpredictable ignition cuts during a rally stage, a sudden loss of immediate throttle response, or an abrupt limp-mode activation that freezes your lap times on track. The genuine Potentiomètre papillon Twingo R2, Clio R3 et X85 Cup is the official factory-spec...
                                              €138.05Price
                                              Genuine Renault Sport throttle position potentiometer for Twingo R2, Clio R3, and X85 Cup racing engines.
                                                  Do not risk unpredictable ignition cuts during a rally stage, a sudden loss of immediate throttle response, or an abrupt limp-mode activation that freezes your lap times on track. The genuine Potentiomètre papillon Twingo R2, Clio R3 et X85 Cup is the official factory-spec...
                                                  €138.05Price
                                                  Bouchon Vase Expansion 1.4 BarGenuine Renault Expansion Tank Cap 1.4 Bar - Super 5 GT Turbo / Clio 16S / Williams / R21 Turbo
                                                      Safeguard your cooling system with this genuine Renault expansion tank cap rated at 1.4 Bar . Specifically engineered for legendary performance models such as the Renault Super 5 GT Turbo , Clio Williams , and R21 2L Turbo , it ensures optimal pressure regulation to prevent engine overheating. A vital precision...
                                                      €28.78Price
                                                      Bouchon Vase Expansion 1.4 BarGenuine Renault Expansion Tank Cap 1.4 Bar - Super 5 GT Turbo / Clio 16S / Williams / R21 Turbo
                                                          Safeguard your cooling system with this genuine Renault expansion tank cap rated at 1.4 Bar . Specifically engineered for legendary performance models such as the Renault Super 5 GT Turbo , Clio Williams , and R21 2L Turbo , it ensures optimal pressure regulation to prevent engine overheating. A vital precision...
                                                          €28.78Price
                                                          Pompe essence modifiée Clio Gr NModified Fuel Pump DASH Fitting Renault Sport for Renault Clio 2 Gr N (7711129520)
                                                            • Pack
                                                            Do not take the risk of seeing the performance of your Renault Clio 2 Group N drop sharply. Without a stable and optimal fuel supply, you lose your advantage on the track. This modified fuel pump (Reference 7711129520 ) is the official Renault Sport part essential for maintaining...
                                                            €269.74Price
                                                            Pompe essence modifiée Clio Gr NModified Fuel Pump DASH Fitting Renault Sport for Renault Clio 2 Gr N (7711129520)
                                                              • Pack
                                                              Do not take the risk of seeing the performance of your Renault Clio 2 Group N drop sharply. Without a stable and optimal fuel supply, you lose your advantage on the track. This modified fuel pump (Reference 7711129520 ) is the official Renault Sport part essential for maintaining...
                                                              €269.74Price
                                                              En Stock
                                                              €133.31 Price
                                                              En Stock
                                                              €133.31 Price
                                                              Joint de Culasse renforcé CometicJoint de Culasse renforcé Cometic
                                                                  Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 0.75mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                  €133.31Price
                                                                  Joint de Culasse renforcé CometicJoint de Culasse renforcé Cometic
                                                                      Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 0.75mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                      €133.31Price
                                                                      En Stock
                                                                      €279.71 Price
                                                                      En Stock
                                                                      €279.71 Price
                                                                      Kit 11 Durites Silicone Super 5 GT TURBO Ph 2Kit 11 Durites Silicone Super 5 GT TURBO Ph 2
                                                                          Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
                                                                          €279.71Price
                                                                          Kit 11 Durites Silicone Super 5 GT TURBO Ph 2Kit 11 Durites Silicone Super 5 GT TURBO Ph 2
                                                                              Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
                                                                              €279.71Price
                                                                              Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
                                                                                  The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
                                                                                  €16.92Price
                                                                                  Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
                                                                                      The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
                                                                                      €16.92Price
                                                                                      En Stock
                                                                                      €81.58 Price
                                                                                      En Stock
                                                                                      €81.58 Price
                                                                                      Flexible de carburant Té vers rampe Twingo R1 - Clio R3 Max
                                                                                          Do not let a preventable engine failure ruin your race weekend. This high-pressure fuel hose , an authentic Renault Sport component (references 7711160195 / 7711162420 ), is the critical link between the T-connector and the fuel injector rail . Specifically engineered for Twingo R1,...
                                                                                          €81.58Price
                                                                                          Flexible de carburant Té vers rampe Twingo R1 - Clio R3 Max
                                                                                              Do not let a preventable engine failure ruin your race weekend. This high-pressure fuel hose , an authentic Renault Sport component (references 7711160195 / 7711162420 ), is the critical link between the T-connector and the fuel injector rail . Specifically engineered for Twingo R1,...
                                                                                              €81.58Price
                                                                                              En Stock
                                                                                              €82.45 Price
                                                                                              En Stock
                                                                                              €82.45 Price
                                                                                              Durite d'eau sortie de radiateur Twingo RS R1 et R2
                                                                                                  Durite d'eau sortie de radiateur Twingo RS R1 et R2 Véritable produit d'origine
                                                                                                  €82.45Price
                                                                                                  Durite d'eau sortie de radiateur Twingo RS R1 et R2
                                                                                                      Durite d'eau sortie de radiateur Twingo RS R1 et R2 Véritable produit d'origine
                                                                                                      €82.45Price
                                                                                                      Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                          Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                          €41.95Price
                                                                                                          Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                              Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                              €41.95Price
                                                                                                              En Stock
                                                                                                              €1.00 Price
                                                                                                              En Stock
                                                                                                              €1.00 Price
                                                                                                              Collier serrage inox (durite) diametre 12-20mm
                                                                                                                  Collier serrage inox (durite) diametre 12-20mm Vendu à l'unité
                                                                                                                  €1.00Price
                                                                                                                  Collier serrage inox (durite) diametre 12-20mm
                                                                                                                      Collier serrage inox (durite) diametre 12-20mm Vendu à l'unité
                                                                                                                      €1.00Price
                                                                                                                      Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
                                                                                                                          Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup Véritable produit d'origine
                                                                                                                          €89.65Price
                                                                                                                          Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup
                                                                                                                              Joint de Culasse Clio 3 RS y compris Clio R3 et X85 Cup Véritable produit d'origine
                                                                                                                              €89.65Price
                                                                                                                              En Stock
                                                                                                                              €133.56 Price
                                                                                                                              En Stock
                                                                                                                              €133.56 Price
                                                                                                                              Piston équipé indice B (X82.70) Clio 3 RS et X85 Cup
                                                                                                                                  Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup Piston d'origine
                                                                                                                                  €133.56Price
                                                                                                                                  Piston équipé indice B (X82.70) Clio 3 RS et X85 Cup
                                                                                                                                      Piston équipé indice B (X=82.70) Clio 3 RS et X85 Cup Piston d'origine
                                                                                                                                      €133.56Price
                                                                                                                                      En Stock
                                                                                                                                      €486.55 Price
                                                                                                                                      En Stock
                                                                                                                                      €486.55 Price
                                                                                                                                      Collecteur admission Clio 2 X65 Cup et Gr N
                                                                                                                                          Collecteur admission Clio 2 X65 Cup et Gr N Prévu pour papillon mécanique
                                                                                                                                          €486.55Price
                                                                                                                                          Collecteur admission Clio 2 X65 Cup et Gr N
                                                                                                                                              Collecteur admission Clio 2 X65 Cup et Gr N Prévu pour papillon mécanique
                                                                                                                                              €486.55Price
                                                                                                                                              Vis de pompe à eau Clio 2 RS y compris X65Cup et Gr N
                                                                                                                                                  Secure your engine block seal and guarantee the total reliability of your cooling circuit with these factory-spec Water Pump Fixing Bolts for the Renault Clio 2 RS, X65 Cup, and Group N . Engineered specifically for the naturally aspirated 2.0L 16V F4R engine, this high-grade...
                                                                                                                                                  €2.82Price
                                                                                                                                                  Vis de pompe à eau Clio 2 RS y compris X65Cup et Gr N
                                                                                                                                                      Secure your engine block seal and guarantee the total reliability of your cooling circuit with these factory-spec Water Pump Fixing Bolts for the Renault Clio 2 RS, X65 Cup, and Group N . Engineered specifically for the naturally aspirated 2.0L 16V F4R engine, this high-grade...
                                                                                                                                                      €2.82Price
                                                                                                                                                      Tuyau carburant entre réservoir et coupling Goodridge Megane N4
                                                                                                                                                          Tuyau carburant entre réservoir et coupling Goodridge Megane N4 Référence: 7711167089
                                                                                                                                                          €173.57Price
                                                                                                                                                          Tuyau carburant entre réservoir et coupling Goodridge Megane N4
                                                                                                                                                              Tuyau carburant entre réservoir et coupling Goodridge Megane N4 Référence: 7711167089
                                                                                                                                                              €173.57Price
                                                                                                                                                              En Stock
                                                                                                                                                              €35.68 Price
                                                                                                                                                              En Stock
                                                                                                                                                              €35.68 Price
                                                                                                                                                              Butée basse pédale d'accélérateur Twingo R2Butée basse pédale d'accélérateur Twingo R2
                                                                                                                                                                  Butée basse pédale d'accélérateur Twingo R2 Référence: 7711157182
                                                                                                                                                                  €35.68Price
                                                                                                                                                                  Butée basse pédale d'accélérateur Twingo R2Butée basse pédale d'accélérateur Twingo R2
                                                                                                                                                                      Butée basse pédale d'accélérateur Twingo R2 Référence: 7711157182
                                                                                                                                                                      €35.68Price
                                                                                                                                                                      Durite Sortie radiateur de chauffage Twingo RS R1 et R2
                                                                                                                                                                          Durite Sortie radiateur de chauffage Twingo RS R1 et R2 Véritable produit d'origine
                                                                                                                                                                          €38.53Price
                                                                                                                                                                          Durite Sortie radiateur de chauffage Twingo RS R1 et R2
                                                                                                                                                                              Durite Sortie radiateur de chauffage Twingo RS R1 et R2 Véritable produit d'origine
                                                                                                                                                                              €38.53Price